Istanbul University Faculty of Science

SOLAR OBSERVATIONS

Istanbul University Observatory · Sunspot observations since 1950

Observatory

Solar Images Tuesday, 20 June 2023

‹ 19.06.2023 2023 21.06.2023 ›

Photosphere sunspot drawing and RDS evaluation

20.06.2023 photosphere drawing

High-resolution scan (3230 px)

Time
08:50 UT
Observer
Korhan YELKENCİ
g
10
f
78
R
178
Seeing
3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · BXI – 6Group 1 · BXI – 6 Group 2 · DAI – 9Group 2 · DAI – 9 Group 3 · AX_ – 2Group 3 · AX_ – 2 Group 4 · CAI – 7Group 4 · CAI – 7 Group 5 · BXI – 4Group 5 · BXI – 4 Group 6 · CAI – 11Group 6 · CAI – 11 Group 7 · DAI – 16Group 7 · DAI – 16 Group 8 · EAI – 15Group 8 · EAI – 15 Group 9 · HA_ – 3Group 9 · HA_ – 3 Group 10 · CAI – 5Group 10 · CAI – 5
RDS data file (.gzd) 
[Gözlem]
Tarih=20.06.2023
Saat=08:50
Gözlemci=Korhan YELKENCİ
KontrolEden=Olcay PLEVNE
Durumaçısı=-7.59
Enlemaçısı=1.59
Boylamaçısı=277.01
Boylamfark=2
GKalite=3
GDurum=B.A
Kuzeyaçısı=-0.4
Sırano=19740
AyRasatNo=18
RasatÖnceki=19.06.2023
RasatSonraki=21.06.2023

[Leke Grupları]
Grupsayısı=10:5:5
LekeSayısı=78:28:50
RölatifSayı=178:78:100
01=BXI 06 +22.945 +36.139 313.149 24.221 0000 0 +24.320 +38.645 +21.858 +33.633 +24.219 +38.678 +21.913 +32.959
02=DAI 09 +11.858 -15.114 261.896 12.567 0000 0 +13.250 -09.529 +10.465 -20.699 +13.500 -09.729 +10.665 -20.499
03=AX_ 02 +17.197 -42.141 234.869 +0.000 0000 0 +19.820 -41.126 +15.311 -43.156 +00.000 +00.000 +00.000 +00.000
04=CAI 07 +22.920 -42.620 234.390 27.304 0000 0 +25.291 -38.190 +20.548 -47.500 +25.910 -38.390 +20.748 -46.850
05=BXI 04 +09.487 -69.102 207.908 +0.000 0000 0 +10.470 -66.525 +08.928 -71.680 +09.487 -67.240 +09.487 -71.179
06=CAI 11 -21.498 +61.843 338.853 22.306 0000 0 -19.747 +66.280 -23.250 +57.657 -19.947 +65.452 -23.500 +57.857
07=DAI 16 -10.604 +34.780 311.880 24.690 0000 0 -08.163 +39.774 -13.450 +28.383 -08.363 +39.574 -12.845 +29.467
08=EAI 15 -14.457 +07.192 284.202 12.363 0000 0 -12.767 +14.155 -16.147 +00.229 -13.130 +13.955 -15.947 +00.429
09=HA_ 03 -18.889 -39.648 237.362 +0.000 0000 0 -17.859 -37.683 -19.919 -41.613 -18.889 -38.183 -18.889 -41.113
10=CAI 05 -14.506 -70.734 206.276 40.760 0000 0 -11.178 -66.881 -17.834 -74.587 -11.378 -67.810 -17.634 -74.387
20230620.gzd

Chromosphere (H-α) FITS frames

No chromosphere observation for this day.

Coronado H-α animations from frame sequences

No Coronado observation for this day.